155561968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1046

約数の個数: 80

約数和(自身を含む): 347120640

約数和(自身を除く): 191558672

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 34, 38, 62, 68, 76, 124, 136, 152, 248, 272, 304, 323, 496, 527, 589, 646, 971, 1054, 1178, 1292, 1942, 2108, 2356, 2584, 3884, 4216, 4712, 5168, 7768, 8432, 9424, 10013, 15536, 16507, 18449, 20026, 30101, 33014, 36898, 40052, 60202, 66028, 73796, 80104, 120404, 132056, 147592, 160208, 240808, 264112, 295184, 313633, 481616, 511717, 571919, 627266, 1023434, 1143838, 1254532, 2046868, 2287676, 2509064, 4093736, 4575352, 5018128, 8187472, 9150704, 9722623, 19445246, 38890492, 77780984, 155561968]

約数ペア:

[(1, 155561968), (2, 77780984), (4, 38890492), (8, 19445246), (16, 9722623), (17, 9150704), (19, 8187472), (31, 5018128), (34, 4575352), (38, 4093736), (62, 2509064), (68, 2287676), (76, 2046868), (124, 1254532), (136, 1143838), (152, 1023434), (248, 627266), (272, 571919), (304, 511717), (323, 481616), (496, 313633), (527, 295184), (589, 264112), (646, 240808), (971, 160208), (1054, 147592), (1178, 132056), (1292, 120404), (1942, 80104), (2108, 73796), (2356, 66028), (2584, 60202), (3884, 40052), (4216, 36898), (4712, 33014), (5168, 30101), (7768, 20026), (8432, 18449), (9424, 16507), (10013, 15536)]